Nagoya's 2025 population is now estimated at 9,534,790. In 1950, the population of Nagoya was 2,236,880. Nagoya experienced a decrease of -22,090 residents over the past year, marking an annual decline of -0.23%.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Nagoya, which typically includes Nagoya's population in addition to adjacent suburban areas.